/**
* 根据方法的服务质量过滤，优先保留服务质量good的clients，数量低于least时加入服务质量normal的clients
*
* @param clientList
* @param request
* @param least 最少保留个数
* @return
*/
public List<Client> getQualityPreferClients(
List<Client> clientList, InvocationRequest request, float least) {
// 筛选good，normal，bad clients
// 直接进行服务质量路由,先只保留服务质量good的，如果不够（比如少于1个），加入服务质量normal的
if (!CollectionUtils.isEmpty(addrReqUrlQualities)) {
String requestUrl = getRequestUrl(request);
Map<RequrlQuality, List<Client>> filterQualityClientsMap =
new HashMap<RequrlQuality, List<Client>>();
for (RequrlQuality reqQuality : RequrlQuality.values()) {
filterQualityClientsMap.put(reqQuality, new ArrayList<Client>());
}
for (Client client : clientList) {
if (addrReqUrlQualities.containsKey(client.getAddress())) {
ConcurrentHashMap<String, Quality> reqUrlQualities =
addrReqUrlQualities.get(client.getAddress());
if (reqUrlQualities.containsKey(requestUrl)) {
Quality quality = reqUrlQualities.get(requestUrl);
switch (quality.getQuality()) {
case REQURL_QUALITY_GOOD:
filterQualityClientsMap.get(RequrlQuality.REQURL_QUALITY_GOOD).add(client);
break;
case REQURL_QUALITY_NORNAL:
filterQualityClientsMap.get(RequrlQuality.REQURL_QUALITY_NORNAL).add(client);
break;
case REQURL_QUALITY_BAD:
filterQualityClientsMap.get(RequrlQuality.REQURL_QUALITY_BAD).add(client);
break;
default:
// never be here
break;
}
}
}
}
List<Client> filterQualityClients = new ArrayList<Client>();
filterQualityClients.addAll(filterQualityClientsMap.get(RequrlQuality.REQURL_QUALITY_GOOD));
if (filterQualityClients.size() < least) {
filterQualityClients.addAll(
filterQualityClientsMap.get(RequrlQuality.REQURL_QUALITY_NORNAL));
}
return filterQualityClients;
}
return clientList;
}
private void connectionException(Client client, Object attachment, Throwable e) {
logger.info("exception while connecting to " + client, e);
if (attachment == null) {
return;
}
Object[] msg = (Object[]) attachment;
if (msg[0] instanceof InvokerContext) {
InvokerContext invokerContext = (InvokerContext) msg[0];
InvocationRequest request = invokerContext.getRequest();
if (request.getMessageType() == Constants.MESSAGE_TYPE_SERVICE && msg[1] != null) {
try {
Callback callback = (Callback) msg[1];
if (client != null) {
client.write(request, callback);
} else {
logger.error("no client found with service:" + request.getServiceName());
}
} catch (Throwable ex) {
logger.error("", ex);
}
logger.error("", e);
}
}
}